Where is the coolant temperature sensor?

In most cars, the primary ECT sensor (ECT sensor 1) is installed near the thermostat in the cylinder head or block or on the thermostat housing. A second coolant temperature sensor could be installed in another part of the engine, or in the radiator.

Where is the cooling fan relay located?

The fan relay is usually located near the bottom of the engine compartment on a metal frame member. The metal acts as a heat sink to keep the fan relay cool. So, unplug the connector at the relay and repeat the check for power. If you get power, you’ve got a bum relay.

Where is the cooling fan relay located on a 2014 Silverado?

The 2014 Chevy Silverado cooling fan relay is located in the engine compartment which is on the right-hand (driver) side under the hood.

Why won’t my cooling fan shut off?

Look on the inside of the lid and for the mapping of the fuses and relays with their location. Pull the cooling fan relay out of the box. Replace the cooling fan relay with a new one. A stuck closed relay is the only thing that can operate the cooling fan continuously with the key off.

Why is my car fan not spinning?

The most common reasons a radiator fan is not working are luckily due to a blown fuse, bad relay, or a broken wire. It can also be caused by a faulty coolant temp sensor, low coolant level or the fan itself can be damaged.

Why is my cooling fan constantly running?

Cooling fans stay on at all times If the cooling fans are staying on at all times, this is another (less common) symptom of a possible problem with the cooling fan relay. If the relay shorts internally, it may cause power to be permanently switched on, which will cause the fans to run at all times.

Why is my fan still running after I turn my car off?

Why does my Cooling Fan Keep Running After the Car is Shut Off? The cooling fan in your car keeps running long after the car is shut off due to a overheating or fault with the relay. The reason behind this could be faulty temperature sensors or some issue with the cooling fan or ECU unit.